PSY Goes Shirtless to Celebrate Kpop Megahit Gangnam Style

PSY just rocked a packed audience in Seoul, and just to up the craziness factor that's surrounded his hit Gangnam Style from the beginning, he stripped off his shirt! Check out the pics and video of this epic performance below!
Here's another look at the performance from a fancam!
What do you think of PSY's latest performance? Tell us in the comments!